docstr: start the local server with app
docstr_tok: ["start","the","local","server","with","app"]
code: def start_server(self, app, **kwargs):
      """start the local server with app"""
  
      # start server with app and pass Dash arguments
      self.server(app, **kwargs)
  
      # set the default server_url, it implicitly call wait_for_page
      self.server_url = self.server.url
  
file_path: dash/components/dash-core-components/tests/conftest.py
imports: import pytest
  from dash_core_components_page import DashCoreComponentsMixin
  from dash.testing.browser import Browser
label_desc: Use image node_id 2 for calling the DashCoreComponentsComposite obj's underlying member method code with example usage: obj.start_server(app) without return types